Window-sash.



m0. 716,594.' Patented uw. 23, moz.

C. D. TABUB.

WINDOW SASH.

(Application med Feb. 18, 1902.) (No Model.) 3 Sheets-Sheet 2.

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UNiTnD STATES PATENT OFFICE.

CLINTON D. TABOR, OF NEV YORK, N. Y., ASSIGNOR TO TABOR SASH COMPANY, OF NEWARK, NEW JERSEY.

WIN DOW-SAS l-l.

SPECIFCATION forming part of Letters Patent No. 716,594, dated December 23, 1902.

Application filed February 18, 1902. Serial No. 94,620. (No model.)

To a/ZZ whom, it mm1/y concern:

Be it known thatI,CLINToN D. TABOR,a citizen of the United States,residing at New York, in the county of New York and State of New York, have invented new and useful Improvements in Vindow-Sash, of which the following is a specification.

This invention relates `to the general class of windows in which the sash is capable of turning in its frame for the purpose of opening and closing it and for permitting both sides of the same to be cleaned from the inside of the building. Windows of this kind previously invented by myself are shown and described in Letters Patent of the United States No. 621,953, dated March 2S, 1899, and No. 667,745, dated February 12, 1901.

My present invention has more particular reference to a window in which the sash turns on vertical pivots and in which pivot-strips are interposed between the top and the bottom of the sash and the frame.

One of the objects of my invention is to provide weather-tight joints between the top and bottom of the sash and the frame and at the same time permit easy turning of the sash.

My invention has the further objects to combine with the sash a convenient lock or holder of simple construction for retaining the sash either in its closed position or in a more or less open position, to render the lower pivotsocket of the sash adjustable in a simple manner to compensate for imperfection or inaccuracy in the location of the companion pivot, and, iinally, to improve the window in other respects, with a view of rendering it weatherproof and insuringT a reliable locking of the same.

In the accompanying drawings, consisting of three sheets, Figure 1 is a sectional front elevation of a window embodying my invention viewed from the inside of the building and showing the sash closed and locked. Fig. 2 is a transverse vertical section in line 2 2, Fig. 1. Fig. 3 is a horizontal section in line 3 3, Fig. 1. Figs. 4 and 5 are detached face views of the yielding pivot-strips of the sash, showing their original curved formed. Figs. 6 and 7 are transverse vertical sections in the correspondingly-numbered lines in Fig. 1.

Fig. 8 is a section similar to Fig. 7, showing the sash unlocked preparatory to turning it. Fig. 9 is a fragmentary vertical section in line 9 9, Fig. 7. showing the locking-latch supported clear of the segmental locking-plate. Fig. 10 is a horizontal section in line 10 10, Fig. 8. Fig. 11 is a detached bottom plan View of the socket-plate secured to the bottom of the sash. Fig. 12 is a detached top plan view of the locking-plate. Fig. 13 is a fragmentary vertical section showing a moditied construction of the locking-latch of the sash, the plane of the section being in line 13 13, Fig. 17, and the latch being in its locking position. Fig. 14 is a similar section showing the rocking strip and the latch depressed for disengaging the strip `from the sash. Fig. l5 is a similar section in line 15 15, Fig. 17, showing the latch lifted out of engagement with the depressed rocking strip. Fig. 16 is a fragmentary vertical section in line 1G 16, Fig. 17, showing the joint between the sash and the latch. Fig. 17 is a detached bottom plan view of the latch. Fig. 18 is a detached top plan view of the locking-plate carried by the rocking strip of said modiiication.

Like letters of reference refer to like parts in the several figures. p

A indicates the window-frame, and B the sash, which in the construction shown in the drawings is mounted to swing on vertical pivots. y

C is a horizontal upper pivot-strip interposed between the top rail of the sash and the window-frame and seated in a groove or recess c in the latter, this strip being of the proper length to bear against the ends of its seat, so as to be held against endwise displacement. The top rail of the sash is pivoted centrally to the strip O, preferably by a pivotal connection similar to the horizontal pivots shown and described in Letters Patent No. 621,953, hereinbefore referred to. As shown in Fig. 1, this pivot connection comprises counter-sunk pivot-plates d d', secured to the meeting faces of said pivot-strip and the top sash-rail, a vertical coupling-pin d2, passing through a hollow pivot d3, formed in one of the plates and turning in a socket in the other plate, and a spring d4, applied to IOO the coupling-pin and tending to draw the pivot-strip against the sash for maintaining a tight joint at this point.

As shown in Fig. 2, the pivot-strip C and the top rail of the sash are provided in their meeting faces, respectively, with a rounded longitudinal tenon e and a corresponding groove e', similar to those of the sash-Stiles and the vertically-sliding guide-bars of the Letters Patent last referred to. The pivotstrip C is thinner at one edge than at the other and provided at the inner corner of its thick edge with a longitudinal bead o, which bears against the window-frame and on which the strip is free to rock, so that upon turning the sash on its pivots the bottom of the sashgroove e rides over the tenen of the pivotstrip C, causing the latter to rock on its beaded corner and recede into its seat far enough to permit of the rotation of the sash. The spring of the coupling-pin d2 is strained by the recession of the pivot-strip, and upon closing the sash this spring draws the strip against the grooved top rail of the sash.

It has been found in practice that when a pivot-strip is employed which is cut straight its detached end portions are liable to warp in course of time, leaving an open or defective joint at these points. To overcome this defection, this pivot-strip is originally cut or otherwise made of bowed or slightly-curved form, as shown in an exaggerated manner in Fig. 4, so that upon attaching the strip to the sash by the central coupling-bolt cl2 and properly placing the sash in the frame the strip is pressed or deflected into straight form between the opposing straight faces of the sash and the frame. By employing such a flexed elastic strip the same has a constant tendency to resume its original curved form, thus pressingitsends,aswellasits middle portion,closely against the edge of the sash and maintaining a weather-tight joint between the parts without the use of separate springs or tension devices.

G indicates the lower upright stud or pivot of the sash, which is secured to the top of the window-sill H and arranged in a socket I, seated in the bottom of the sash.

J indicates a lower pivot-strip similar to the upper strip C, which is arranged between the sash and the sill. This lower strip is thinner at its inner edge than at its outer edge and rests with its thickened portion upon a leveling-strip k, so as to be capable ot' rocking on the latter and receding from the sash, similar to the top strip C. This leveling-strip 7c is `shown in Figs. 7 and 8.

secured to the sloping sill and has a horizontal upper surface which is flush with the surface of the base-plate of the lower pivot Gr, as

The lower pivotstrip is provided in its upper side with a longitudinal bead or tenon j, which enters a groove Z, arranged in the bottom rail of the sash, as shown in Fig. 2. The contiguous side walls of this groove and tenon are beveled, as shown, to cause the strip tobe rocked downward when the sash is turned. Like the upper strip C, this lower strip is pressed toward the sash by a spring m, preferably surrounding the pivot-stud Gr and bearing at its upper end against a locking-plate N, rigidly secured to the upper side of the rocking strip J and extending rearwardly over the stool N of the window, as shown in Figs. 7 and 8. The strip J is provided with an aperturej' for the passage of the stud G and the reception of the spring fm, and the locking-plateN has a coinciding aperture n, which apertures are large enough to allow the lower strip and the locking-plate N to rock freely. To maintain a tight joint between this strip and the sash throughout its length, said strip is originally out in a bowed or curved form= similar to the top strip C, as shown in Fig. 5, the

strip being sprung into astraight form by the pressure of the spring m.

While my improved elastic or tension pivotstrips are herein shown as applied to the top and bottom of a sash mounted on vertical pivots, they are also applicable to a sash mounted on horizontal pivots.

1n order to form a weatherproof joint between the rocking bottom strip J and the leveling-strip la, the bottom strip is provided at its thick outer edge with a depending apron, guard, or curtain o, which overhangs the leveling-strip and covers said joint. The outer face of this apron preferably is beveled, so as to shed water from the joint between the leveling-strip and the sill. For the purpose of forming a tight joint between the inner edge of the bottom strip and the stool N and at the same time permitting a free rocking action of said strip the inner face of the stool is undercut, as shown at n', so that the adjacent edge of the rocking strip closes against the overhanging edge of the stool when the strip is in its normal position, as seen in Fig. 7.

Owing to careless or inaccurate workmanship,the lower sash-pivot is sometimes located out of alinement with the socket of the sash, and in order to avoid the annoyance and loss of time incident to removing and properly replacing an inaccurate pivot the bearing or portion of the socket which receives the pivot is made laterally adjustable, thus enabling any imperfections to be readily compensated for. For this purpose the socket I of the sash is formed on a socket-plate I', secured to the bottom of the sash, and is elongated laterally or made ofsufcient size to allow for a limited lateral misplacement of the pivot. The socketplate is formed at its outer edge with an upwardly-extending flange l2, which is secured to the bottom rail of the sash. This socket I extends upwardly into a mortise formed in the lower edge of the sash and is provided in its front side, on opposite sides of its center, with openings t', through which extends a horizontally-rocking yoke or bearing Q. As shown in Fig. l0, this yoke is provided with a notch or aperture q, which is just wide IOO enough to receive the pivot -stud G. The yoke is capable of a rocking adjustment upon a vertical rib q', formed on the vertical front flange I2 of the socket-plate and seated in a vertical groove formed in an upright ange q2, arranged at the front edge of the yoke. The latter is adjustably secured in position by transverse screws or bolts r, passing through holes in the frontiiange of the socketplate I', and openings r', formed in the corresponding tlange of the yoke and iiared toward both ends, as shown in Fig. l0. The nicked heads of the screw-bolts r are accessible from the outer side of the sash, while their nuts bear against the rear side of the flange of the yoke Q and are held against turning by contact with the horizontal body of said plate.

To adjust the socket to the position of the pivot G, the yoke Q, is rocked in the proper direction to bring its notch in register with the pivot by slackening one of the screwbolts r and tightening the other in the same measure in an obvious manner.

A locking device for retaining the sash in its closed position or in a more or less open position is preferably combined with the lower pivot-strip J. As shown in Fig. 7, the locking-plate N is provided in its upper side with a longitudinal groove s, adapted to receive a tenon s', projecting from the under side of the socket-plate I', and this tenon and groove are abrupt-sided, either on one or both sides, to form stop-faces, which positively prevent turning ofthe sash when the tenon interlocks with thegroove. The spring m of the rocking bottom strip J, by its tendency to swing the strip upward, holds the locking-plate N in engagement with the socket-plate I'. Upon depressing this plate sufficiently to disengage its groove from the tenon s' the sash is unlocked and free to be turned to a more or less open position, while upon returning the sash to its closed position the same is automatically locked by the tenoned plate I.

T indicates a vertically-swinging releasinglever, pivoted centrally tothe upright flange I2 of the socket-plate I by a transverse pin or screw t and arranged to bear at its lower end upon the outer portion of the lockingplate when turned to a vertical position, so as to depress this plate and release the sash. This releasing-lever may be provided at its upper end with a thumb-piece t, as shown. In order to retain the lever in its upright position and prevent accidental locking of the sash preparatory to turning it, the flange Il of the socket-plate is provided centrally with a vertical locking-recess 152, into which the upper arm of the lever is pressed, the lever being fulcrumed with sufficient looseness to permit the requisite tilting movement thereof for this purpose. The releasing-lever is provided at its lower end with a toe t3, which extends downwardly and forwardly, so as to bear upon the locking-plate N in advance of the pivot of the lever. By this construction the upward pressure of the locking-plate produced by its spring tends to swing the lower end of the releasing-lever forwardly, thereby swinging its upper arm inwardly and causing the lever to interlock automatically with the notch t2 upon turning it to its upright position.

The releasing-lever is provided at its outer end with laterally-projecting locking-horns 154, which are adapted to interlock with one of a segmental series of notches, openings, or recesses fit tt', formed in the front edge of the locking-plate N,concentrically with the pivotstud G. The end notches a are arranged to receive one or the other horn of the lever T when the sash is closed, as shown in Figs. l-

and 2, so as to lock the sash by said lever in addition to the lock furnished by the locking-plate N. The intermediate notches tt are arranged to receive one of said horns when the sash is turned at right angles to its frame or opened to a position midway between that last named and its closed position. The lever T thus performs the double function of a releasing device for the locking-plate N and a locking or holding latch for the sash.

The horns of the latch are guided and steadied by horizontal eyes or loops fu, arranged at the lower corners of the flange of the socket-plate I. In order to support this latch clear of the locking-plate while turning the sash from one position to another, the

iange of the socket-plate l is provided on.

the outer sides of the guide-loops o with ledges or supports c', upon which the horned end of the latch is adapted to rest when in its inoperative position, as shown by full lines in Fig. 9. To permit the latch to be shifted lengthwise on its pivot from the latter position to that in which its horns will interlock with the notches of the locking-plate N, the latch is provided with a longitudinal slot or elongated aperture 5 for the passage of its pivot, as shown.

By providing the sash with the supplemental locking-latch T the same cannot be unlocked from the outside'of the window by inserting a thin strip or implement between the bottom of the sash and the longitudinal pivotstrip J in an attempt to depress the latter. The horns of the latch are made longer than the stroke of said rocking bottom-strip, so that the locked horn cannot be wholly lifted out of the notch of the locking-plate N by such an implement, thus foiling any attempt to unlock the window by such practice.

To unlock the sash, the combined releasing lever and latch T is turned to its upright p0- sition and tilted backwardlyto temporarily interlock it with the recess t2 of the flange I2, as shown in Figs. 8 and lO and by dotted lines in Fig. il. By this movement of the lever the locking-plate N is depressed and the sash unlocked. After opening the sash to the desired position it is retained in place by inter' locking the latch with the nearest notch of the Vsegmental locking-plate N. Then it is IOO IIO

desired to close the sash, the latch-lever T is lifted out of engagement with said lockingplate and the sash turned to its closed position, whereupon the plate N again interlocks automatically with the sash, and the latchl'ever is finally engaged with one or the other of the end notches u of the locking-plate.

In the modified construction of the invention (shown in Figs. 13 to 18) the rocking strip J' and the locking-plate N2 are constructed and arranged substantially like that shown in the first-described construction; but the laterally-swinging latch T is replaced by a vertically-swinging latch or latch-plate T, and a separate releasing-lever W is employed for depressing the rocking strip J instead of using a member which combines the functions of the locking-plate N and the latch T of the construction first described. The latch-plate T is of substantially the same size and outline as the locking-plate and hinged at its front edge to the under side of the socketplate I3 by knuckles t6, loosely seated in sockets formed in said plate on opposite sides of the sash-pivot G. The latch-plate has an aperture for the passage of this pivot,whicl1 aperture is of sufficient size to allow the plate to swing up and down freely. The latch-plate rests normally upon the locking-plate N2 and is provided on its under side,near its rear edge, with one or more studs or projections t7, adapted to enter one of a number of openings or sets of openings u2, formed in the segmental rear portion of the locking-plate, as shown in Figs. 13 and 14, so as to couple the sash to the locking-plate and lock itin its closed position or in a more or less open position. The releasing-lever W is pivoted at its lower end to the upper side of the latch-plate T by a pivot yw, arranged parallel With the sash, and the lever is provided on the rear side of its pivot with a toe or cam w', adapted to pass through a slot 102 of the latch-plate and bear against thelocking-plate N2 for disconnecting these plates. In the normal closed position of a sash equipped with this modified construction of the locking device the groove s2 of the locking-plate N2 is interlocked with the tenon s2 of the sash. The latch-plate T is linterlocked with the perforated segment of the lockingplate, and the releasing-lever W stands in an upright position, as shown in Fig. 13. To unlock the sash, the releasing-lever W is swung down to the position shown in Fig. 15,which movement causes its toe to depress the locking-plate and disengage its openings from the studs t7 of the latch-plate. By this movement the sash is also released from the rocking strip. The sash can now be opened to the desired position and locked in that position by returning the releasing-lever W to its upright position, so as to allow the latch-plate to descend by gravity and permit its studs t? to interlock with another set of openings of the locking-plate. In turning the sash the toe of the releasing-lever rides upon the upper sur- 1. The combination with a window-frame and a sash, of a deected elastic strip interposed between the sash and theframe and eX- tending from end to end of the contiguous sash-rail, said strip being originally of curved form and normally straightened against the sash, substantially as set forth.

2. The combination with a window-frame and a pivoted sash, of a deiiected elastic strip interposed between the frame and the sash and extending from end to end of the contiguous sash-rail, the central portion of said strip being attached to the sash and its end portions bearing against the same, substantially as set forth.

3. The combination with the window-frame and its sloping sill having a leveling strip or ledge, of a sash pivoted to turn horizontally in the frame, and a rocking strip interposed between said leveling-strip and the bottom of the sash and provided with adepending apron or curtain which overhangs the leveling-strip, substantially as set forth.

4. The combination with the window-frame and a sash pivoted to turn horizontally therein, of a stool having an undercut inner edge, and a rocking strip interposed between the frame and the bottom of the sash and having its inner edge constructed to close against the undercut face of the stool in the raised position of the strip, substantially as set forth.

5. The combination with the frame having a pivot, of a rotary sash having a laterallyenlarged socket for said pivot, and a laterallymovable yoke or plate arranged in said socket and having a bearing adapted to receive said pivot, substantially as set forth.

6. The combination with the frame having a pivot, of a rotary sash having a laterallyenlarged socket for said pivot, a rocking yoke extending into said socket and provided with a notch or aperture adapted to receive said pivot, and adjusting-bolts for said yoke, substantially as set forth.

7. The combination with the frame having a pivot, of a rotary sash provided in its edge with a mortise, a socket-plate covering said mortise and having a socket which is elongated laterally and provided in its` wall with an opening, and a flange which is provided within said mortise with a rib, a yoke or plate extending into said socket through its opening and having a notch for receiving said pivot, and a ange provided with a groove which receives the rib of said socket-plate, and adjusting bolts passing through the IOO IIO

anges of said yoke and said socket-plate on opposite sides of said rib, substantially as set forth.

8. The combination with a window-frame and a rotary sash pivoted therein, of a rocking strip interposed between the sash and the frame, and a locking-plate carried by said strip and constructed to interlock with the sash in the normal position of said strip, substantially as set forth.

9. The combination with a window-frame and a rotary sash pivoted therein, of a rocking strip interposed between the sash andthe frame, a locking-plate carried by said strip and constructed to interlock with the sash in the normal position of said strip, and a spring which holds said plate in engagement with the sash, substantially as set forth.

l0. The combination with a window-frame and a rotary sash pivoted therein, of a vertically-rocking strip interposed between the sash and the frame, said sash and the strip being provided in their contiguous faces with a longitudinal groove or mortise and a corresponding tenon, respectively, and a lockingplate secured to said strip, said locking-plate and the sash being provided with a lockinggroove and a tenon, respectively, substantially as set forth.

1l. The combination with a window-frame and a rotary sash pivoted therein, of a rocking strip interposed between the frame and the sash, a locking-plate carried by said strip and constructed to interlock with the sash, and a releasing-lever connected with the sash and arranged to engage against said lockingplate for unlocking the sash, substantially as set forth.

12. The combination with a Window-frame and a rotary sash pivoted therein, of a rocking strip interposed between the frame and the sash, a locking-plate carried by said strip and constructed to interlock with the sash. and provided with a recessed locking-segment, and a latch connected with the sash and constructed to interlock with said segment, substantially as set forth.

13. The combination with a window-frame and a rotary sash pivoted therein, of a roeking strip arranged between the frame and the sash, a locking-plate carried by said strip and constructed to interlock with the sash and provided with a recessed segment, a latchplate pivotally connected with the sash and having a projection or projections arranged to enter the recess or recesses of the lockingplate, substantially as set forth.

14. The combination with a window-frame and a rotary sash pivoted therein, of a rocking strip arranged between the frame and the sash, a locking-plate carried by said strip and constructed to interlock with the sash and provided with a recessed segment, a latchplate interposed between said locking-plate and the sash and pivotally connected with the sash and provided with a projection or projections arranged to interlock with the recess or recesses of the locking-plate, and a releasing-lever carried by said latch-plate and arranged to engage against said locking-plate, substantially as set forth.

15. The combination with a Window-frame and a rotary sash pivoted therein, of a rocking strip arranged between the frame and the sash, a locking-plate carried by said strip and constructed to interlock with the sash and provided with a recessed segment, a latchplate interposed between said locking-plate and the sash and pivotally connected with the sash and provided with a projection or projections arranged to interlock with the recess or recesses of the locking-plate, and a releasing-lever pivoted to the upper side of said latch-plate and having a cam or toe arranged to pass through a slot of the latch-plate and bear against the locking-plate, Asubstantially as set forth.

Witness my hand this 6th day of February, 190:2.

CLINTON D. TABOR.

Witnesses:

THEO. L. PoPP, CARL F. GEYER. 

